(19)

(11)

EP 3 856 381 A2

(12)

(88) Date of publication A3: 09.07.2020 (43) Date of publication: 04.08.2021 Bulletin 2021/31 (21) Application number: 19888566.7 (22) Date of filing: 26.09.2019

(51) International Patent Classification (IPC):  A63H 11/20(2006.01) B62D 57/032(2006.01) B62D 57/02(2006.01) (86) International application number: PCT/US2019/053256 (87) International publication number: WO 2020/112229 (04.06.2020 Gazette 2020/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 26.09.2018 US 201862736739 P 26.09.2018 US 201862736743 P (71) Applicant: Ghost Robotics LLC Philadelphia PA 19146 (US)	(72) Inventors: KENNEALLY, Gavin Philadelphia, PA 19103 (US) PARIKH, Jiren Philadelphia, PA 19125 (US) (74) Representative: Style, Kelda Camilla Karen  Page White & Farrer Bedford House John Street London, WC1N 2BF London, WC1N 2BF (GB)